from Geometrics

A versatile software package for downloading and post-processing Magnetic and Geo-electrical datasets recorded by Geometrics products.

MagMap2000 data visulisation Windows.
MagMap2000 data visulisation Windows.

The software package is supplied free with any Geometrics magnetometer or OhmMapper system, and can be downloaded from the manufacturers website.


  • Positioning readings via GPS,
  • Preforming offset corrections (layback calculation),
  • Correcting diurnal variation
  • Removing rouge measurement values
  • Basic processing routines
  • Export to Oasis, Surfer, RES2DINV or generic ACSII .XYZ.

Please refer to the subsequent video tutorials for help navigating through MapMap2000.

Data Sheet


Why is MagMap2000 not running on Windows 11

C:\Program Files (x86)\MagMap\olch3d32.dll is not intended for use with Windows 11 or contains an error. In order for MagMap2000 to run on Windows 11 Smart App Control needs to be switched off.

1) Search for “Windows Security”


2) Click the menu item “App and Browser Control”


3) Click on Smart App Control Settings


4) Make sure Smart App Control is off.